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SUPER COBALT DRILL #30

$2.35/Piece
Part# 12-04217
MFR Model# 5270030
DescriptionDrill SizeApprox
Length
Part Number
SUPER COBALT DRILL #30302-3/4"12-04217

Overview

These super cobalt hi-speed jobber length aircraft drill bits feature heavy duty construction to Type J aircraft specifications. Use to drill hard, tough metals, stainless steels, iron based and titanium alloys, and certain plastics. Hardness of cobalt permits speeds 30% over regular H.S.S. drills. Cobalt drills demand rigidly held, positive feed drilling equipment.
   
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Reviews

Silver S Verified Purchase

SUPER COBALT DRILL #30

January 29, 2024

Good drills are getting hard to find, and these have always given good service.

Marc B Verified Purchase

SUPER COBALT DRILL #30

January 11, 2024

Patrick R Verified Purchase

SUPER COBALT DRILL #30

January 3, 2024

Dwayne R Verified Purchase

SUPER COBALT DRILL #30

November 16, 2023

Nice drill bits.

Milon W Verified Purchase

SUPER COBALT DRILL #30

September 12, 2023

I ordered 5 and still one my first bit. Excellent product

Tony B Verified Purchase

SUPER COBALT DRILL #30

August 9, 2023

Richard H Verified Purchase

SUPER COBALT DRILL #30

June 15, 2023

Larry E Verified Purchase

SUPER COBALT DRILL #30

March 19, 2023

Good

Bruce C Verified Purchase

SUPER COBALT DRILL #30

March 9, 2023

Useful

Peter W Verified Purchase

SUPER COBALT DRILL #30

December 23, 2022

Q&A

Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What is the length of drill bit part number 12-04212?

The 12-04212 drill bit is 2-1/4" long.

Q: Are these bits 135 degree or 118 degree cut?

They have a 135 degree split.

Q: WHAT IS THE RECOMMENDED DRILL FOR THE AN6-20A BOLT

You would need at least a 3/8 drill.

Q: Which number is the diameter 3/32?

42 would be slightly under and 41 would be slightly over 3/32.

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